EP3797732B1 - Verfahren zum digitalen entwerfen einer zahnprothese mithilfe einer bestehenden zahnprothese - Google Patents

Verfahren zum digitalen entwerfen einer zahnprothese mithilfe einer bestehenden zahnprothese Download PDF

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Publication number
EP3797732B1
EP3797732B1 EP19200306.9A EP19200306A EP3797732B1 EP 3797732 B1 EP3797732 B1 EP 3797732B1 EP 19200306 A EP19200306 A EP 19200306A EP 3797732 B1 EP3797732 B1 EP 3797732B1
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Prior art keywords
denture
model
teeth
digital
implemented method
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EP19200306.9A
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English (en)
French (fr)
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EP3797732A1 (de
Inventor
Rune Fisker
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3Shape AS
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3Shape AS
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Priority to EP19200306.9A priority Critical patent/EP3797732B1/de
Application filed by 3Shape AS filed Critical 3Shape AS
Priority to ES19200306T priority patent/ES2944832T3/es
Priority to EP20775017.5A priority patent/EP4034030B1/de
Priority to EP24210813.2A priority patent/EP4480445A3/de
Priority to JP2022518928A priority patent/JP2022550721A/ja
Priority to BR112022004796A priority patent/BR112022004796A2/pt
Priority to PCT/EP2020/076709 priority patent/WO2021058643A1/en
Priority to CN202410688933.8A priority patent/CN118648996A/zh
Priority to CN202080066735.8A priority patent/CN114641256B/zh
Priority to KR1020227013139A priority patent/KR20220070469A/ko
Publication of EP3797732A1 publication Critical patent/EP3797732A1/de
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/01—Palates or other bases or supports for the artificial teeth; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/10—Fastening of artificial teeth to denture palates or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam

Definitions

  • occlusal side scan 10 and the gingiva side scan 11 are aligned in an alignment step 1008.
  • this can be performed automatically seeing that the teeth 12 of the scans can be used as overlapping surfaces for alignment reference.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Dental Prosthetics (AREA)

Claims (14)

  1. Computerimplementiertes Verfahren zum Erzeugen eines digitalen Modells einer Zahnprothese, das ein digitales Modell einer Zahnprothesenbasis (9) und mindestens ein digitales Modell von Zahnprothesenzähnen (12) umfasst, wobei das Verfahren nacheinander die Schritte umfasst des:
    - Erhaltens eines digitalen Modells einer passgenauen existierenden Zahnprothese,
    - Segmentierens des digitalen Modells der passgenauen existierenden Zahnprothese in ein Zwischenzahnprothesenbasismodell (19) und mindestens ein Zwischenzahnprothesenzähnemodell (20, 21, 22),
    - Änderns der Anatomie des mindestens einen Zwischenzahnprothesenbasismodells (19),
    - Entwerfens einer Kopplungsanordnung zwischen dem Zwischenzahnprothesenbasismodell (19) und dem mindestens einen Zwischenzahnprothesenzähnemodell (20, 21, 22), wobei die Kopplungsanordnung mindestens eine Vertiefung umfasst, die in dem Zwischenzahnprothesenbasismodell (19) gebildet ist, und einen Vorsprung, der sich von dem mindestens einen Zwischenzahnprothesenzähnemodell (20, 21, 22), das geformt ist, um mit der mindestens einen Vertiefung übereinzustimmen, erstreckt, und
    - Erzeugens einer digitalen Datendatei eines abschließenden Zahnprothesenbasismodells (40) basierend auf dem Zwischenzahnprothesenbasismodell (19) und Erzeugens einer digitalen Datendatei mindestens eines abschließenden Zahnprothesenzähnemodells (41) basierend auf dem mindestens einen Zwischenzahnprothesenzähnemodell (20, 21, 22).
  2. Computerimplementiertes Verfahren nach Anspruch 1, wobei der Schritt des Erhaltens eines digitalen Modells der passgenauen existierenden Zahnprothese das Scannen der passgenauen existierenden Zahnprothese umfasst.
  3. Computerimplementiertes Verfahren nach Anspruch 1 oder 2, wobei der Schritt des Segmentierens das Segmentieren jedes Zahns der passgenauen existierenden Zahnprothese in dem digitalen Modell der passgenauen existierenden Zahnprothese umfasst.
  4. Computerimplementiertes Verfahren nach Anspruch 1, 2 oder 3, wobei der Schritt des Segmentierens das Segmentieren einer Gruppe aus mindestens zwei Zähnen der passgenauen existierenden Zahnprothese in dem digitalen Modell der passgenauen existierenden Zahnprothese umfasst.
  5. Computerimplementiertes Verfahren nach Anspruch 1, 2, 3 oder 4, wobei der Schritt des Änderns der Anatomie des mindestens einen Zwischenzahnprothesenbasismodells das Modellieren einer virtuellen Papille umfasst.
  6. Computerimplementiertes Verfahren nach einem der Ansprüche 1 bis 5, wobei der Schritt des Entwerfens einer Kopplungsanordnung das Bereitstellen eines Zementspalts zwischen der mindestens einen Vertiefung und dem entsprechenden Vorsprung in der Form eines Versatzes zwischen einem digitalen Modell der mindestens einen Vertiefung und einem digitalen Modell des mindestens einen Vorsprungs umfasst.
  7. Verfahren zum Herstellen einer Zahnprothese, das das computerimplementierte Verfahren nach einem der Ansprüche 1 bis 6 umfasst, das weiter das Bereitstellen der digitalen Datendatei des abschließenden Zahnprothesenbasismodells und der digitalen Datendatei des mindestens einen abschließenden Zahnprothesenzähnemodells (20, 21, 22) zu einem 3D-Herstellungsverfahren zum Herstellen einer Zahnprothesenbasis (9) und mindestens eines Zahnprothesenzahns sowie das Zusammenbauen der Zahnprothesenbasis und des mindestens einen Zahnprothesenzahns durch Kleben umfasst.
  8. Verfahren zum Herstellen einer Zahnprothese nach Anspruch 7, wobei der 3D-Herstellungsprozess das Drucken oder Fräsen involviert.
  9. Computerprogramm, das Anweisungen umfasst, die, wenn das Programm von einem Computer ausgeführt wird, den Computer veranlassen, das Verfahren nach Anspruch 1 durchzuführen.
  10. Datenverarbeitungssystem, das computerausführbare Anweisungen umfasst, die konfiguriert sind, um das Verfahren nach einem der Ansprüche 1 bis 6 durchzuführen.
  11. Computerimplementiertes Verfahren nach Anspruch 1, wobei der Schritt des Erhaltens eines digitalen Modells der existierenden Zahnprothese das Laden einer digitalen Datendatei des digitalen Modells in das computerimplementierte Verfahren nach Anspruch 1 umfasst.
  12. Computerimplementiertes Verfahren nach Anspruch 1, wobei das Segmentieren des digitalen Modells der passgenauen existierenden Zahnprothese in ein Zwischenzahnprothesenbasismodell und mindestens ein Zwischenzahnprothesenzähnemodell einen automatisierten Prozess umfasst, der ein trainiertes neuronales Netz verwendet.
  13. Computerimplementiertes Verfahren nach Anspruch 1, wobei das Segmentieren des digitalen Modells der passgenauen existierenden Zahnprothese in ein Zwischenzahnprothesenbasismodell und mindestens ein Zwischenzahnprothesenzähnemodell einen automatisierten Prozess umfasst, der Maschinenlernen verwendet.
  14. Computerimplementiertes Verfahren nach Anspruch 2, wobei das Scannen mit einem intraoralen Scanner oder einem Labor-Scanner durchgeführt wird.
EP19200306.9A 2019-09-27 2019-09-27 Verfahren zum digitalen entwerfen einer zahnprothese mithilfe einer bestehenden zahnprothese Active EP3797732B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ES19200306T ES2944832T3 (es) 2019-09-27 2019-09-27 Método para diseñar digitalmente una dentadura postiza utilizando una dentadura postiza existente
EP19200306.9A EP3797732B1 (de) 2019-09-27 2019-09-27 Verfahren zum digitalen entwerfen einer zahnprothese mithilfe einer bestehenden zahnprothese
EP24210813.2A EP4480445A3 (de) 2019-09-27 2020-09-24 Verfahren zum digitalen entwurf einer zahnprothese unter verwendung einer bestehenden zahnprothese
JP2022518928A JP2022550721A (ja) 2019-09-27 2020-09-24 既存の義歯を使用して義歯をデジタル的に設計するための方法
BR112022004796A BR112022004796A2 (pt) 2019-09-27 2020-09-24 Método para projetar digitalmente uma dentadura usando uma dentadura existente
PCT/EP2020/076709 WO2021058643A1 (en) 2019-09-27 2020-09-24 A method for digitally designing a denture using an existing denture
EP20775017.5A EP4034030B1 (de) 2019-09-27 2020-09-24 Verfahren zum digitalen entwerfen einer zahnprothese mithilfe einer bestehenden zahnprothese
CN202410688933.8A CN118648996A (zh) 2019-09-27 2020-09-24 一种在数字监控器上呈现的用户界面
CN202080066735.8A CN114641256B (zh) 2019-09-27 2020-09-24 用于使用现有假牙数字地设计假牙的方法
KR1020227013139A KR20220070469A (ko) 2019-09-27 2020-09-24 기존 의치를 이용하여 의치를 디지털 방식으로 설계하기 위한 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19200306.9A EP3797732B1 (de) 2019-09-27 2019-09-27 Verfahren zum digitalen entwerfen einer zahnprothese mithilfe einer bestehenden zahnprothese

Publications (2)

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EP3797732A1 EP3797732A1 (de) 2021-03-31
EP3797732B1 true EP3797732B1 (de) 2022-12-21

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11842484B2 (en) 2021-01-04 2023-12-12 James R. Glidewell Dental Ceramics, Inc. Teeth segmentation using neural networks
US12136208B2 (en) 2021-03-31 2024-11-05 James R. Glidewell Dental Ceramics, Inc. Automatic clean up of jaw scans
US12210802B2 (en) 2021-04-30 2025-01-28 James R. Glidewell Dental Ceramics, Inc. Neural network margin proposal
CN113397744B (zh) * 2021-06-30 2022-04-19 中国人民解放军空军军医大学 利用旧义齿制作有个性化磨光面的全口义齿的方法
US12136215B2 (en) 2021-09-07 2024-11-05 International Business Machines Corporation Dental implant reconstruction and restoration based on digital twin
US12295806B2 (en) 2022-01-10 2025-05-13 James R. Glidewell Dental Ceramics, Inc. Automatic determination of trim-line for aligners
CN115006028B (zh) * 2022-06-08 2023-04-18 北京大学口腔医学院 一种利用数字化技术制作复制义齿的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150037760A1 (en) * 2010-11-03 2015-02-05 Timothy C. Thompson System and Process for Duplication of Dentures
AU2013221977A1 (en) * 2012-08-29 2014-03-20 Precision Smiles Pty. Ltd. Denture Production
US11589963B2 (en) * 2018-01-17 2023-02-28 Watson Guide Ip Llc Intermediate prosthesis for dental prosthesis installation
DE102018101664B4 (de) * 2018-01-25 2019-08-14 Kulzer Gmbh Verfahren zur Herstellung einer Dentalprothese

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Publication number Publication date
EP3797732A1 (de) 2021-03-31
ES2944832T3 (es) 2023-06-26

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